* SDS Plus drill bit with 2 cutter drill * 14 flute for fast dust removal and drilling speed * PGM approved for diameter accuracy Drill Bit offers durability when drilling in concrete. To prevent heat development, the 4-flute dura design provides effective dust removal for increased endurance. It is made of high-alloy steel, which is produced with an optimised hardening technology to withstand wear. For additional resistance, indented cutting edges are made from an ideal Bosch-controlled carbide The Bosch Hammer Drill Bit SDS Plus 3 offers exceptional drilling performance in both concrete and masonry. Made of alloy steel, this SDS drill bit comes with a 4-flute dura design that offers effective dust removal and prevents heat build up that may lead to damage. The SDS plus-3 Drill Bit offers durability when drilling in concrete. To prevent heat development, the 4-flute dura design provides effective dust removal for increased endurance. It is made of high-alloy steel, which is produced with an optimised hardening technology to withstand wear. For additional resistance, indented cutting edges are made from an ideal Bosch-controlled carbide blend. As proof of quality, the drill bit bears the test mark of the PGM Masonry Drill Bit Association Board, guaranteeing compliance with tight tolerances, exact drilling and the firm hold of fixings. The bit is intended for work on concrete and masonry and is to be used with rotary hammers with SDS plus holders.